31990462

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17443}}^1$

素因数の和:17583

約数の個数: 16

約数和(自身を含む): 55262592

約数和(自身を除く): 23272130

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 17443, 34886, 122101, 244202, 2285033, 4570066, 15995231, 31990462]

約数ペア:

[(1, 31990462), (2, 15995231), (7, 4570066), (14, 2285033), (131, 244202), (262, 122101), (917, 34886), (1834, 17443)]